02-13-2007, 10:08 AM
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#1
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Registered User
Join Date: Feb 2005
Location: Boston MA
Posts: 386
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spark plugs
How many are needed to replace in a 2000 base model boxster? Any particular kind? Any tips on changing the spark plugs?
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00 Boxster Tip Blk/Blk
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02-13-2007, 10:14 AM
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#2
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Registered User
Join Date: Jan 2007
Location: Texas
Posts: 1,311
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Quote:
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Originally Posted by fab
How many are needed to replace in a 2000 base model boxster? Any particular kind? Any tips on changing the spark plugs?
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They aren't easy to reach, I can tell you that much. Gee lets see, the car is a SIX cylinder, so I would have to guess 6 spark plugs! 
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02-13-2007, 10:20 AM
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#3
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Registered User
Join Date: Jul 2005
Location: Denver
Posts: 740
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Quote:
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Originally Posted by porsche986spyder
They aren't easy to reach, I can tell you that much. Gee lets see, the car is a SIX cylinder, so I would have to guess 6 spark plugs! |
Wait, wait, wait. This is one of those trick questions right? It couldn't possibly be THAT easy. So.... it's really 7. It is isn't it? Am I right? I'm right, right? I think I'm right....
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'06 Cayenne Turbo S, Beige Metallic/Tan
Ex - '99 Arctic Silver, Red Interior, Silver Top
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02-13-2007, 10:32 AM
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#4
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Porscheectomy
Join Date: Mar 2006
Location: Seattle Area
Posts: 3,011
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Quote:
"They aren't easy to reach, I can tell you that much. Gee lets see, the car is a SIX cylinder, so I would have to guess 6 spark plugs! "
Originally Posted by porsche986spyder
Quote:
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Originally Posted by denverpete
Wait, wait, wait. This is one of those trick questions right? It couldn't possibly be THAT easy. So.... it's really 7. It is isn't it? Am I right? I'm right, right? I think I'm right....
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That's not as silly a question as you two make it out to be. For a long time, the boxer engine used 12 plugs!
Last edited by blue2000s; 02-13-2007 at 10:36 AM.
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02-13-2007, 10:47 AM
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#5
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Registered User
Join Date: Jul 2005
Location: Denver
Posts: 740
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Quote:
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Originally Posted by blue2000s
Quote:
"They aren't easy to reach, I can tell you that much. Gee lets see, the car is a SIX cylinder, so I would have to guess 6 spark plugs! "
Originally Posted by porsche986spyder
That's not as silly a question as you two make it out to be. For a long time, the boxer engine used 12 plugs!
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Fair enough. Some Carreras without direct ignition used 12. But come on - while it may have been a legitimate question - It was also too hard to pass up on the humor side....
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'06 Cayenne Turbo S, Beige Metallic/Tan
Ex - '99 Arctic Silver, Red Interior, Silver Top
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02-13-2007, 11:13 AM
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#6
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Registered User
Join Date: Dec 2006
Location: Austin, TX
Posts: 939
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AFAIK, no flat six engines in any Porsche available for sale had twin plugs. (that is, 2 per cylinder).
HOWEVER, Porsche Racing used twin plugged cars, and it's also a popular modification on Porsche engines for track/racing cars.
That being said, yes, the SIX CYLINDER Boxster uses SIX plugs.
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2001 Boxster - Grey on Grey
1969 911T Targa - 'Stinky'
http://www.zoto.com/frayadjacent/img...f27a-4a399.jpg <---- my car. ^ crap I post.
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02-13-2007, 10:15 AM
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#7
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Registered User
Join Date: Nov 2003
Location: Illinois
Posts: 3,033
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Quote:
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Originally Posted by fab
How many are needed to replace in a 2000 base model boxster? Any particular kind? Any tips on changing the spark plugs?
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I don't know the part # off hand for OEM plugs for your model but I do know it needs 6 of them. Somebody else here has that info. Judging from your post, I think you should take it to a good shop to have the work done.
Last edited by Adam; 02-13-2007 at 10:18 AM.
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02-13-2007, 10:20 AM
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#8
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Guest
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02-13-2007, 10:22 AM
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#9
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Registered User
Join Date: Jan 2007
Location: Texas
Posts: 1,311
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Quote:
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Originally Posted by fab
How many are needed to replace in a 2000 base model boxster? Any particular kind? Any tips on changing the spark plugs?
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I let the dealership change mine. Cost about $350.00 I believe they use Champion Platinum. I also asked them about installing the Irridium Spark plugs, because they are suposed to be better, but they told me if they did, they would not be able to warranty the work done, because they are not O.E.M. parts. So I went with what they normally used. 
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02-13-2007, 10:34 AM
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#10
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Registered User
Join Date: Jul 2006
Location: Where the Sewer Meets the Sea, CA. USA
Posts: 2,695
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Quote:
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Originally Posted by porsche986spyder
I let the dealership change mine. Cost about $350.00 I believe they use Champion Platinum. I also asked them about installing the Irridium Spark plugs, because they are suposed to be better, but they told me if they did, they would not be able to warranty the work done, because they are not O.E.M. parts. So I went with what they normally used. |
Throw away your platinums, and never buy iridiums for your boxster. All bad stuff, I lost the part number for the correct copper bosch plug... I gave the number to afew people here... maybe they can come forward with that number.
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02-13-2007, 10:36 AM
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#11
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Registered User
Join Date: Jan 2006
Location: ohio
Posts: 149
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I'm planning on changing the plugs when I get my car ready for spring. I want to use the OEM Beru plugs....does anyone know if they come pre-gapped? I hate
gapping plugs.
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2003 Boxster Seal Gray/Gray
TIP
5000 miles (for some reason I'm proud of this) 
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02-13-2007, 10:43 AM
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#12
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Guest
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Quote:
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Originally Posted by porschegeorg
I'm planning on changing the plugs when I get my car ready for spring. I want to use the OEM Beru plugs....does anyone know if they come pre-gapped? I hate
gapping plugs.
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Even if they come pre-gapped, you should still check them for accuracy. They can easily come out-of-spec during shipping and handeling.
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02-13-2007, 01:10 PM
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#13
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Registered User
Join Date: Jan 2007
Location: Texas
Posts: 1,311
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Quote:
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Originally Posted by CJ_Boxster
Throw away your platinums, and never buy iridiums for your boxster. All bad stuff, I lost the part number for the correct copper bosch plug... I gave the number to afew people here... maybe they can come forward with that number.
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Ahh yes, it was BOSCH. That's what the dealership uses. I was guessing on the brand.
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02-13-2007, 12:18 PM
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#14
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Registered User
Join Date: Sep 2006
Location: chicago
Posts: 3,510
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you paid somebody 350 to change your sparkplugs?! spark plugs are like what $30 bux total or so, and u can easily change them yourself.
funny, my GFs battery went bad today, she called dealer to see how much for a new one, they said $550 installed. they said they can even come to her house and change it for her but that wold cost another 200 bux, even though shes like 20 mins fromt he dealership, lol
all this dealer nonsense is pissing me off, taking advantage of people like that
Quote:
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Originally Posted by porsche986spyder
I let the dealership change mine. Cost about $350.00 I believe they use Champion Platinum. I also asked them about installing the Irridium Spark plugs, because they are suposed to be better, but they told me if they did, they would not be able to warranty the work done, because they are not O.E.M. parts. So I went with what they normally used. |
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Last edited by djomlas; 02-13-2007 at 12:25 PM.
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02-13-2007, 01:22 PM
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#15
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Registered User
Join Date: Jan 2007
Location: Texas
Posts: 1,311
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Quote:
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Originally Posted by djomlas
you paid somebody 350 to change your sparkplugs?! spark plugs are like what $30 bux total or so, and u can easily change them yourself.
funny, my GFs battery went bad today, she called dealer to see how much for a new one, they said $550 installed. they said they can even come to her house and change it for her but that wold cost another 200 bux, even though shes like 20 mins fromt he dealership, lol
all this dealer nonsense is pissing me off, taking advantage of people like that
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Actually I looked at my bill and it was $250.00. If you can tell me how I can change the plugs without the service manual, by all means please do explain. I know it involves removing the intake manifold and all that other crap that is on top of it. When I installed my True-Flow intake I noticed the spark plugs were not in plain view where I could change them easily. I need one of those Bentley manuals for our Boxsters.
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02-13-2007, 01:26 PM
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#16
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Registered User
Join Date: Nov 2006
Location: Virginia
Posts: 846
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Quote:
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Originally Posted by porsche986spyder
Actually I looked at my bill and it was $250.00. If you can tell me how I can change the plugs without the service manual, by all means please do explain. I know it involves removing the intake manifold and all that other crap that is on top of it. When I installed my True-Flow intake I noticed the spark plugs were not in plain view where I could change them easily. I need one of those Bentley manuals for our Boxsters. |
Plugs are changed from the BOTTOM of the car. I read it in my Bentley manual. Also, a poster out here (forget his name) has a nice FAQ/Maintenance guide on a website with pictures, tool requirements and time estimates..
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1976 914 2.0
2000 Boxster 2.7 (sold)
1978 911 SC (sold)
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02-13-2007, 01:32 PM
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#17
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Registered User
Join Date: Jan 2007
Location: Texas
Posts: 1,311
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Quote:
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Originally Posted by racer_d
Plugs are changed from the BOTTOM of the car. I read it in my Bentley manual. Also, a poster out here (forget his name) has a nice FAQ/Maintenance guide on a website with pictures, tool requirements and time estimates..
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That sounds worth finding again. If anyone can tell me which tread it was posted in, just let me know.
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02-15-2007, 05:50 AM
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#18
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Registered User
Join Date: Jul 2006
Location: Where the Sewer Meets the Sea, CA. USA
Posts: 2,695
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Ok i found the spark plug part numbers... Its Bosch Copper Sparkplug 7402. Order them at Napa, They probably wont have them instock but 4-6 bucks a plug is alot better than dealer price of 12 a plug. I have them and the torque curve is much smoother, Idle is better too.
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02-15-2007, 06:08 AM
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#19
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Registered User
Join Date: Jan 2007
Location: Texas
Posts: 1,311
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Quote:
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Originally Posted by CJ_Boxster
Ok i found the spark plug part numbers... Its Bosch Copper Sparkplug 7402. Order them at Napa, They probably wont have them instock but 4-6 bucks a plug is alot better than dealer price of 12 a plug. I have them and the torque curve is much smoother, Idle is better too.
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Thanks again!
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07-29-2007, 01:26 PM
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#20
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Registered User
Join Date: Nov 2003
Location: Illinois
Posts: 3,033
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Did a 2003 boxster S come with Bosch or Beru plugs? Also, I don't have nearly 60k miles on my car. It's around a 1/3rd of that but it's been almost 4 yrs. Could the plugs possibly weld themselves into the cylinder heads if I don't change them soon?
I Noticed Pelican is selling the colder plug 14 FGR 6 KQU for both the base and S models?? http://www.pelicanparts.com/catalog/shopcart/996M/POR_996M_BAStun_pg1.htm
It looks like they are selling the S guys the wrong plug?
Part Diagram Locations for: 99917020791
Model Main Diagram Description
Boxster 986 (1997-2004) Ignition System Spark plug, 14FGR 6KQU
996 (1999-2005) Ignition System Spark plug, 14FGR 6KQU
Last edited by Adam; 07-29-2007 at 01:52 PM.
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